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Finding the Third Proportional to 14,935 and 21,970

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Solution

The third proportional to 14,935 and 21,970 is: 32,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,935 : 21,970 = 21,970 : x
  2. Step 2: Convert to fraction form
    14,935/21,970 = 21,970/x
  3. Step 3: Cross multiply
    14,935x = 21,970 × 21,970
  4. Step 4: Simplify right side
    14,935x = 482,680,900
  5. Step 5: Solve for x
    x = 482,680,900/14,935
  6. Step 6: Final answer
    x = 32,318.77

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.